BIOTREND® GA50 is a 50% Glutaraldehyde solution, serving as a potent microbiocide for managing spoilage, odor-causing, corrosion-inducing, slime-forming bacteria, sulfate-reducing bacteria, fungi, yeast molds, and algae. It finds application in diverse settings such as paper mills and paper mill process water systems, water-based coatings for paper and paperboard, air washers, recirculating cooling water systems, heat transfer systems, oil well drilling, oil field processing, and pigments and filler slurries for food contact paper and paperboard.

Chemical Name: Glutaraldehyde

Chemical Family: Aldehydes

Labeling Claims: Food Contact Acceptable, Formaldehyde releasing substances-free, Formaldehyde-free, Heavy Metal-free, Low Toxicity

Certifications & Compliance: Canadian Environmental Protection Act (CEPA), FDA 21 CFR 172.230, FDA 21 CFR 173.320, FDA 21 CFR 173.357, FDA 21 CFR 175.105, FDA 21 CFR 176.170, FDA 21 CFR 176.180, FDA 21 CFR 176.300, FIFRA

Applicable Processes: Oil Drilling, Papermill Water Processing, Wastewater Treatment

Synonyms: 1,5-Pentanedial, Glutaral, Glutardialdehyde, Glutaric Acid Dialdehyde, Glutaric Dialdehyde, Pentanedial

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Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims
CASE Ingredients Features
HII Features
Industrial Additives Features
Materials Features
Product Characteristics

BIOTREND® GA50 prevents microbial deterioration of products and resulting consequences such as:

  • Phase separation
  • Odor build-up
  • Gas build-up
  • Changes in viscosity
Product Features
  • Fast acting broad spectrum antimicrobial
  • Functional over a broad pH and temperature range
  • Non-surface active and non- foaming
  • Does not contain or release formaldehyde
  • Compatible with commonly used “wet-end” additives
  • Compatible with anionic, nonionic, and cationic dispersant’s
  • Not affected by the presence of hard water
  • Low in toxicity and easy to handle
  • Can be diluted or deactivated easily
  • Contains no heavy metals

Applications & Uses

Applicable Processes
Compatible Substrates & Surfaces
Fluids & Lubricants Type
Adhesive & Sealant End Applications
Coating End Applications
Fluids & Lubricants End Use
Home Care Applications
I&I Cleaning Applications
Industrial Additives End Use
Ink & Toner End Applications
Use Level
0.05 - 0.25% (w/w as supplied)
Formulation Applications
  • BIOTREND® GA50 preservative applications include: non-food contact for industrial, institutional and consumer non-food contact products, mineral slurries, paints, plastics, pigments, lattices, printing inks, laundry detergents, cleaning products, concentrates, concrete admixtures, reverse osmosis membranes water based conveyor lubricants, preservative for concentrates. Food contact for preservation of food contact adhesives and minerals slurries used in papermaking.
  • Experience shows that compatibility with most products and raw materials is excellent, although compatibility testing is recommended for specialformulations.
  • Under normal use patterns concentrations of 0.02 – 0.2% are sufficient in most applications.
Product Applications
  • Emulsion paints and inks
  • Pigments
  • Mineral slurries
  • Cleaning products
  • Adhesives and tackifiers
  • Lattices
  • Metalworking fluids
  • Pigments and coatings and paper and paper board
  • Wastewater treatment
  • Hydraulic fluids
  • Building and construction compositions
  • Water cooling towers
  • Oil field injection waters
  • Concrete admixtures
  • Paper and pulp
  • Reverse osmosis membranes


Physical Form
Soluble In
Colorless to light yellow
Miscible in
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Active BIT Percent50.0%-
Specific Gravity (at 20/20°C)1.13 - 1.18g/cm³-
Density9.42 - 9.38--
Freezing Point max. -21ºC-
pH Value3.0 - 5.0--

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information

BIOTREND® GA50 is available in 500 lb. drums and 2,425 lb. totes

Storage & Handling

Shelf Life
1 year
Storage Condition

Store in the original, tightly closed containers, in well-ventilated, dry, dark, and cool areas. Carefully reseal and keep containers upright. Protect from freezing. If frozen, allow to thaw and stir well before use.

Handling Precautions

When handling BIOTREND® GA50, avoid contact with the skin, eyes, and clothing. Wear goggles or a face shield, protective clothing, and waterproof gloves, as specified on the EPA product labels, when handling these products.